40278: Water Softener

Q: Do I need a permit to install a water softener in 40278? A: No. Louisville Metro does not require a plumbing permit for a water softener, but you must install a backflow prevention device if you have an irrigation system tied in after the softener.

Q: Where can I buy salt for my 40278 water softener? A: The Meijer on Dixie Highway and the Walmart Supercenter on Bashford Manor Lane both sell 40-lb bags of pellet salt for $6–$8. For bulk deals (10+ bags), try Rural King in Clarksville (just across the bridge).

Q: My neighbor says 40278 water is “already soft.” Are they wrong? A: They might be confusing “clean” with “soft.” LWC water is safe and tastes good, but at 11 GPG, it’s objectively hard. Ask your neighbor to check their showerhead for white scale. If it’s there, they need a softener too. 40278 water softener

Cause: While LWC water is low in iron, old galvanized pipes within your home can leach iron. Fix: Use Iron Out salt pellets or add a resin-bed cleaner every 6 months.

We tested three leading models in actual 40278 basements and crawlspaces. Here are the results. Q: Do I need a permit to install a water softener in 40278

Yes—and consistently. Users report a noticeable difference within 48 hours:

The 40,000-grain capacity means it can handle hardness up to 70–80 grains per gallon (gpg) for a family of four. The metered regeneration is a standout feature: it only recharges when needed (based on actual water usage), which cuts salt consumption by up to 30% compared to timers. The 40,000-grain capacity means it can handle hardness

The 40278 water softener represents a reliable, efficient workhorse for the modern American home. By swapping problematic calcium for sodium, it protects your pipes, appliances, and skin. While it requires annual maintenance and regular salt refills, the return on investment is undeniable. Hard water is a slow poison for your home; the 40278 is the antidote.

Ready to install? Check your water hardness with a test kit today, measure your available space (ensure 6 inches behind the tank for the drain line), and buy your 40278 from a reputable retailer that offers a 5-year warranty on the tank.

Disclaimer: Manufacturer SKUs change. Always verify that model "40278" matches the Whirlpool, GE, or EcoWater unit you are viewing. When in doubt, contact the seller's technical support with your water parameters.